單項選擇題

Under threat, ship master activate SSAS system and send a message to（）.

A.nearby coast station
B.flag administration
C.vessels in the vicinity
D.charterer and sub-charterer

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Could you tell me（）the seaport（）?

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B.where/is
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單項選擇題

I am a seaman, I come（）the People’s Republic of China.

A.from
B.to
C.on
D.for